GOST 24790-81

Non-metallic ore materials. Method for determination of sulphur mass fraction

Packaging paperboard for food products. General specifications

High-speed photographic registration. Terms and definitions

Best available techniques. Production of ammonia, mineral fertilizers and inorganic acids. Selection of marker indicators for discharge from industrial sources

Refractory mortars. Determination of consistency using the penetrating cone method

Safety in emergency situations. Procedure for justification and recording of measures for civil defense, measures for prevention of natural and technological emergencies in developing of site planning projects